Taxonomy Viewer

Name	ProvedDevelopedAndUndevelopedReserveNetEnergy
Namespace	http://fasb.org/srt/2020-01-31
Prefix	srt
Data type	num:energyItemType
Period type	instant
Substitution Group	xbrli:item
Balance	None
Nillable	True
Abstract	False

Text	Lang	Role	Container role
Proved Developed and Undeveloped Reserve, Net (Energy)	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link
Proved Developed and Undeveloped Reserve, Net (Energy), Beginning Balance	en-US	http://www.xbrl.org/2003/role/periodStartLabel	http://www.xbrl.org/2003/role/link
Proved Developed and Undeveloped Reserve, Net (Energy), Ending Balance	en-US	http://www.xbrl.org/2003/role/periodEndLabel	http://www.xbrl.org/2003/role/link
Energy measure of proved reserve of oil and gas, stated in a unit of energy. For example, but not limited to, barrel of oil equivalents (BOE) or one thousand cubic feet of natural gas equivalent (Mcfe).	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link

Name	Value	Role
Publisher	SEC	http://www.xbrl.org/2003/role/disclosureRef
Name	Form 20-F	http://www.xbrl.org/2003/role/disclosureRef
Section	Item 18	http://www.xbrl.org/2003/role/disclosureRef
Subsection	Instruction 2	http://www.xbrl.org/2003/role/disclosureRef

Name	Relation Type	Role
Proved Developed and Undeveloped Reserve (Energy) [Roll Forward] `srt:ProvedDevelopedAndUndevelopedReserveEnergyRollForward`	parent-child	http://fasb.org/srt/role/disclosure/ExtractiveIndustries
Proved Developed and Undeveloped Reserve (Energy) [Roll Forward] `srt:ProvedDevelopedAndUndevelopedReserveEnergyRollForward`	parent-child	http://fasb.org/srt/role/disclosure/ExtractiveIndustries
Proved Developed and Undeveloped Reserve (Energy) [Roll Forward] `srt:ProvedDevelopedAndUndevelopedReserveEnergyRollForward`	domain-member	http://fasb.org/srt/role/disclosure/ExtractiveIndustriesProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTable